code: def test_two_experiments_ec2spot(self):
      self._run_test_myfiles(
          n_experiments=2,
          config=self.get_config_path(),
          cloud_timeout=100,
          cloud="ec2spot",
      )
  
imports: import uuid
  import random
  import unittest
  import os
  import hashlib
  import six
  import tempfile
  from timeout_decorator import timeout
  from .completion_service import CompletionService
  from studio.extra_util import has_aws_credentials
  from studio.util.util import rand_string, filehash
  from studio.storage.storage_util import download_file
label_desc: Use image node_id 6 for calling the CompletionServiceTest obj's underlying member method code with example usage: obj.test_two_experiments_ec2spot() without return types